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Chapter 2: Q2. (page 69)
Solve each system of equations by the substitution method.
The solution of given system of equations is , .
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Provide a counterexample to show that each statement is false.
Statement: If then .
Tell whether each statement is true or false. Then write converse and tell whether it is true or false.
Statement: If then is not obtuse.
Tell whether each statement is true or false. Then write the converse and tell whether it is true or false.
if .
Provide a counterexample to show that each statement is false.
Statement: If a four-sided figure has four right angles, then it has four congruent sides.
Tell whether each statement is true or false. Then write the converse and tell whether it is true or false.
If Pam lives in Chicago, then she lives in Illinois.
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